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NRC adopts ROP updates
The Nuclear Regulatory Commission has approved a significant overhaul of its Reactor Oversight Process (ROP) baseline inspection program that stresses a leaner, more risk-focused inspection process.
This adoption comes just over a month after NRC officials published their findings on the proposed ROP changes. The changes would reduce the number of hours spent annually on direct inspections at U.S. nuclear power plants by 38 percent.
J. P. Panakkal, M. Afzal, R. B. Bhatt, A. Prakash, A. K. Mishra, S. Kumar, H. S. Kamath
Nuclear Technology | Volume 179 | Number 2 | August 2012 | Pages 189-195
Technical Paper | Fuel Cycle and Management | doi.org/10.13182/NT12-A14091
Articles are hosted by Taylor and Francis Online.
Indian pressurized heavy water reactors (PHWRs) have been operated over the years using natural UO2 bundles. An attempt has been made recently to use (U-Pu) mixed-oxide (MOX) fuel bundles containing 0.4% PuO2 to increase the burnup and reduce fuel inventory. This paper outlines the design changes made in the fuel elements and presents the important steps in fabrication of MOX fuel, the novel quality and process control procedures developed, and our experience during the fabrication of MOX fuel assemblies irradiated in one of the commercial PHWRs.
